Dry-type transformer iron core flaw detection device

Abstract

The utility model discloses a dry-type transformer iron core flaw detection device which comprises an operation table, a flaw detection structure, a lifting structure, an overturning adsorption structure and a controller, a supporting frame is arranged on the operation table, and an iron core is placed on the supporting frame; the flaw detection structure is arranged on the operation table, and the detection end of the flaw detection structure is rotatably arranged above the operation table; the lifting structure is arranged on the side edge of the supporting frame. The overturning adsorption structure is arranged at the lifting end of the lifting structure, the controller is arranged on the operation table, and the lifting structure and the overturning adsorption structure are connected with the controller. According to the utility model, the lifting structure can drive the overturning adsorption structure to descend, and the iron core is overturned after being adsorbed, so that the flaw detection structure can perform flaw detection operation on two surfaces of the iron core, the manual operation amount is reduced, and the flaw detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer manufacturing detection technical field, especially a dry -type transformer core flaw detection device. BACKGROUND

[0002] In the dry -type transformer, the core quality is directly related to the performance and operation reliability of transformer, and if the core has crack, sand eye, inclusion and the like defects, not only will increase hysteresis loss, eddy current loss, lead to transformer heat anomaly, efficiency reduction, even possibly cause local overheating, accelerate insulation aging, finally cause transformer fault shutdown, seriously influence power supply stability, therefore, it is important to carry out high-precision flaw detection to the dry -type transformer core.

[0003] In the related art, in addition to the low efficiency of full manual operation, there is also a flaw detection probe for setting up on the transmission belt above the core flaw detection operation, but this way, the efficiency is low, mainly because manual cooperation is needed to turn over the core, and for the core used in large transformer, since the size and weight are large, the manual cooperation overturning mode has many inconveniences, thereby leading to low efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at at least one of the technical problems in the above-mentioned technology.

[0005] In order to achieve the above-mentioned purpose, the utility model discloses a dry -type transformer core flaw detection device, including: operation platform, flaw detection structure, lifting structure, overturning adsorption structure and controller, wherein, the operation platform is provided with two support frames side by side, and the core is placed on two support frames, the flaw detection structure is set up on the operation platform, and the detection end of the flaw detection structure is rotatably arranged above the operation platform, the lifting structure is arranged on the side of the support frame, the overturning adsorption structure is arranged on the lifting end of the lifting structure, the overturning adsorption structure includes mounting bracket, overturning plate, first drive motor and a plurality of suction cups, wherein, the mounting bracket is arranged on the lifting end of the lifting structure, the overturning plate is rotatably arranged on the mounting bracket, the rotating shaft of the overturning plate is connected with the output end of the first drive motor, and the overturning plate is above two support frames, a plurality of suction cups are arranged on the overturning plate, the controller is arranged on the operation platform, and the control end of the lifting structure, the suction cup and the first drive motor are connected with the controller respectively.

[0006] In addition, the dry -type transformer core flaw detection device according to the utility model can also have the following additional technical features.

[0007] As a further description of the above technical scheme: the lifting structure comprises a first fixed frame, a bidirectional screw rod, a screw rod sliding block and a second driving motor, wherein the first fixed frame is arranged on the operation table and located at the side of the support frame; the bidirectional screw rod is rotatably arranged in the first fixed frame; the screw rod sliding block is arranged on the bidirectional screw rod; the second driving motor is arranged on the first fixed frame, and the output end of the second driving motor is connected with the rotating end of the bidirectional screw rod.

[0008] As a further description of the above technical scheme: the lifting structure further comprises a second fixed frame, a stabilizing rod and a sliding sleeve, wherein the second fixed frame and the first fixed frame are oppositely arranged on the two sides of the support frame; the stabilizing rod is arranged in the second fixed frame; the sliding sleeve is slidably arranged on the stabilizing rod; wherein the two sides of the mounting frame are respectively connected with the screw rod sliding block and the sliding sleeve.

[0009] As a further description of the above technical scheme: the flaw detection structure comprises a third driving motor, an engagement gear set, a rotating shaft, a rotating arm and a flaw detection probe, wherein the third driving motor is arranged on the operation table; the rotating shaft is rotatably arranged on the operation table, and the rotating end of the rotating shaft is connected with the output end of the third driving motor through the engagement gear set; the rotating arm is arranged at the end of the rotating shaft; the flaw detection probe is arranged on the rotating arm to perform flaw detection operation on the iron core on the support frame.

[0010] As a further description of the above technical scheme: the flaw detection probe is an ultrasonic probe or an eddy current probe or a magnetic powder probe.

[0011] As a further description of the above technical scheme: the rotating arm is a telescopic structure comprising a fixed segment and a movable segment, the fixed segment is connected with the rotating shaft, the movable segment is nested in the fixed segment and limited by an elastic extrusion head, and the flaw detection probe is arranged at the end of the movable segment.

[0012] As a further description of the above technical scheme: the turnover adsorption structure further comprises a position sensor for detecting the relative position between the suction cup and the iron core and sending position information to the controller.

[0013] As a further description of the above technical scheme: the suction cup is connected with an external air pump through a connecting air pipe, and the controller is connected with the air pump.

[0014] The dry-type transformer iron core flaw detection device can drive the turnover adsorption structure to descend through the lifting structure, adsorb and turn over the iron core, so that the flaw detection structure can perform flaw detection operation on both sides of the iron core, reduce the amount of manual operation, and improve the flaw detection efficiency.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, taken in conjunction with the accompanying drawings, in which:

[0017] Figure 1 is a structural schematic diagram of a dry-type transformer core flaw detection device according to one embodiment of the present application;

[0018] Figure 2 is a schematic diagram of a lifting structure according to one embodiment of the present application;

[0019] Figure 3 is a schematic diagram of a flaw detection structure according to one embodiment of the present application;

[0020] Figure 4 is a schematic diagram of a turnover and adsorption structure according to one embodiment of the present application;

[0021] Figure 5 is a top view schematic diagram of an operation table according to one embodiment of the present application;

[0022] Figure 6 is a use state schematic diagram of a dry-type transformer core flaw detection device according to one embodiment of the present application;

[0023] Figure 7 is a use state schematic diagram of a dry-type transformer core flaw detection device according to another embodiment of the present application;

[0024] Figure 8 is a use state schematic diagram of a dry-type transformer core flaw detection device according to another embodiment of the present application;

[0025] As shown in the figure:

[0026] 100, operation table; 101, support frame; 200, flaw detection structure; 210, third drive motor; 220, meshing gear set; 230, rotating shaft; 240, rotating arm; 250, flaw detection probe; 300, lifting structure; 310, first fixed frame; 320, bidirectional screw; 330, screw block; 340, second drive motor; 350, second fixed frame; 360, stabilizing rod; 370, sliding sleeve; 400, turnover and adsorption structure; 410, mounting frame; 420, turnover plate; 430, first drive motor; 440, suction cup; 500, controller; 600, core. DETAILED DESCRIPTION

[0027] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0028] The dry-type transformer core flaw detection device of the embodiments of the present application is described below in conjunction with the drawings.

[0029] As shown in the drawings, Figure 1 The dry-type transformer core flaw detection device of the embodiments of the present application can include an operation table 100, a flaw detection structure 200, a lifting structure 300, a turnover adsorption structure 400, and a controller 500.

[0030] As shown in the drawings, Figure 5 The operation table 100 is provided with two support frames 101 side by side, the core 600 is placed on the two support frames 101, the flaw detection structure 200 is arranged on the operation table 100, and the detection end of the flaw detection structure 200 is rotatably arranged above the operation table 100. The lifting structure 300 is arranged on the side of the support frame 101, and the turnover adsorption structure 400 is arranged on the lifting end of the lifting structure 300.

[0031] As shown in the drawings, Figure 4 The turnover adsorption structure 400 includes a mounting frame 410, a turnover plate 420, a first driving motor 430, and a plurality of suction cups 440.

[0032] The mounting frame 410 is arranged on the lifting end of the lifting structure 300, the turnover plate 420 is rotatably arranged on the mounting frame 410, the rotating end of the turnover plate 420 is connected to the output end of the first driving motor 430, and the turnover plate 420 is located above the two support frames 101, and the plurality of suction cups 440 are arranged on the turnover plate 420.

[0033] It should be noted that the suction cups 440 are connected to an external air pump through a connecting air pipe, and the controller 500 is connected to the air pump.

[0034] The controller 500 is arranged on the operation table 100, and the control ends of the lifting structure 300, the suction cups 440, and the first driving motor 430 are connected to the controller 500.

[0035] Specifically, when the relevant staff performs flaw detection operation on the core 600, the core 600 to be detected is slowly placed on the support frame 101 by means of hoisting equipment or manual handling tools, the position of the core 600 is fine-tuned according to the shape of the core 600 and the structural characteristics of the support frame 101, and the core 600 is placed stably.

[0036] Then as shown in Figure 6 , the detection structure 200 is started, so that the detection structure 200 detects one side of the iron core 600, and after the detection is completed, as shown in Figure 7 , the relevant personnel control the controller 500, so that the detection end of the detection structure 200 rotates and moves away from directly above the iron core 600, and then the lifting structure 300 drives the turnover adsorption structure 400 to descend, so that the suction cup 440 is adsorbed on the iron core 600, and then the lifting structure 300 drives the turnover adsorption structure 400 to ascend by a height, so as to provide an operation space.

[0037] Then, as shown in Figure 8 , the first driving motor 430 drives the turnover plate 420 to rotate, and then the suction cup 440 on the turnover plate 420 and the iron core 600 rotate, and after the rotation is completed, the lifting structure 300 is controlled to descend, so that the rotated iron core 600 is located on the support frame 101, and the turnover plate 420 is located below the two support frames 101.

[0038] Then the detection structure 200 is controlled to reset, and the rotated iron core 600 on the support frame 101 is detected, and after the detection of the rotated iron core 600 is completed, the detection structure 200 is controlled to rotate away from the iron core 600 again, and the lifting structure 300 is controlled to ascend, and the iron core 600 is rotated again, and the suction cup 440 cancels the adsorption force, so that the iron core 600 falls on the support frame 101, and the whole turnover adsorption structure 400 resets, and the detection of the iron core 600 is completed.

[0039] In order to further improve the adsorption effect and operation precision of the turnover adsorption structure 400 on the iron core 600, the turnover adsorption structure 400 further comprises a position sensor for detecting the relative position between the suction cup 440 and the iron core 600 and sending position information to the controller 500, and the controller 500 can judge the lifting position of the suction cup 440 through the position signal.

[0040] In an embodiment of the utility model, as shown in Figure 2 , the lifting structure 300 comprises a first fixed frame 310, a bidirectional screw rod 320, a screw rod sliding block 330 and a second driving motor 340.

[0041] The first fixed frame 310 is arranged on the operation table 100 and located at the side of the support frame 101, the bidirectional screw rod 320 is rotatably arranged in the first fixed frame 310, the screw rod sliding block 330 is arranged on the bidirectional screw rod 320, the second driving motor 340 is arranged on the first fixed frame 310, and the output end of the second driving motor 340 is connected with the rotating end of the bidirectional screw rod 320.

[0042] To clearly illustrate the above embodiment, in an embodiment of the utility model, the lifting structure 300 further comprises a second fixed frame 350, a stabilizing rod 360 and a sliding sleeve 370.

[0043] The second fixed frame 350 and the first fixed frame 310 are oppositely arranged on the two sides of the support frame 101, the stabilizing rod 360 is arranged in the second fixed frame 350, and the sliding sleeve 370 is slidably sleeved on the stabilizing rod 360, wherein the two sides of the mounting frame 410 are respectively connected with the lead screw sliding block 330 and the sliding sleeve 370.

[0044] It should be noted that when the lifting structure 300 is controlled to lift, the second driving motor 340 can be started to drive the bidirectional lead screw 320 to rotate, so that the lead screw sliding block 330 lifts on the bidirectional lead screw 320, and the mounting frame 410 lifts along with the lead screw sliding block 330.

[0045] When the mounting frame 410 lifts, the sliding sleeve 370 can stably slide on the stabilizing rod 360, and the lifting stability of the entire lifting structure 300 is improved.

[0046] In an embodiment of the utility model, as shown in Figure 3 The flaw detection structure 200 comprises a third driving motor 210, a meshing gear set 220, a rotating shaft 230, a rotating arm 240 and a flaw detection probe 250.

[0047] The third driving motor 210 is arranged on the operation table 100, the rotating shaft 230 is rotatably arranged on the operation table 100, and the rotating end of the rotating shaft 230 is connected with the output end of the third driving motor 210 through the meshing gear set 220, the rotating arm 240 is arranged at the end of the rotating shaft 230, and the flaw detection probe 250 is arranged on the rotating arm 240 to perform flaw detection operation on the iron core 600 on the support frame 101.

[0048] It should be noted that the flaw detection probe 250 is an ultrasonic probe or an eddy current probe or a magnetic powder probe.

[0049] When the flaw detection structure 200 is adjusted, the third driving motor 210 can drive the meshing gear set 220 to rotate, so that the rotating shaft 230 rotates, and the rotating arm 240 and the flaw detection probe 250 rotate along with the rotating shaft 230, so that the flaw detection probe 250 does not interfere with the lifting turnover plate 420.

[0050] As a possible case, the rotating arm 240 is a telescopic structure comprising a fixed segment and a movable segment, the fixed segment is connected with the rotating shaft 230, the movable segment is nested in the fixed segment and is limited by an elastic extrusion head, and the flaw detection probe 250 is arranged at the end of the movable segment.

[0051] It should be noted that the relevant staff can adjust the position of the flaw detection probe 250 by pulling the movable section and limiting the position through the elastic pressing head, so that the flaw detection probe 250 has higher flexibility.

[0052] In conclusion, the dry-type transformer core flaw detection device according to the embodiment of the utility model, through the lifting structure 300 can drive the turnover adsorption structure 400 to descend, adsorbs and turns over the iron core 600, so as to facilitate the flaw detection structure 200 to carry out flaw detection operation to the double sides of the iron core 600, reduces the operation amount of manual, improves the flaw detection efficiency.

[0053] In the description of the present specification, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0054] In the description of the present specification, the description of the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0055] Although the embodiments of the present application have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above-mentioned embodiments within the scope of the present application.

Claims

1. A dry-type transformer core flaw detection device characterized by comprising: The utility model relates to a kind of magnet core detection device, including: Operation platform (100), defect detection structure (200), lifting structure (300), turnover adsorption structure (400) and controller (500), wherein, The operation platform (100) is provided with two support frames (101) side by side, and the iron core (600) is placed on the two support frames (101); The defect detection structure (200) is arranged on the operation platform (100), and the detection end of the defect detection structure (200) is rotatably arranged above the operation platform (100); The lifting structure (300) is arranged on the side of the support frame (101); The turnover adsorption structure (400) is arranged on the lifting end of the lifting structure (300); The turnover adsorption structure (400) includes a mounting bracket (410), a turnover plate (420), a first drive motor (430) and a plurality of suction cups (440), wherein, The mounting bracket (410) is arranged on the lifting end of the lifting structure (300); The turnover plate (420) is rotatably arranged on the mounting bracket (410), the rotating end of the turnover plate (420) is connected with the output end of the first drive motor (430), and the turnover plate (420) is located above the two support frames (101); A plurality of suction cups (440) are arranged on the turnover plate (420) respectively; The controller (500) is arranged on the operation platform (100), and the control end of the lifting structure (300), the suction cup (440) and the first drive motor (430) are connected with the controller (500) respectively.

2. The dry-type transformer core inspection apparatus according to claim 1, wherein The lifting structure (300) includes a first fixed frame (310), a bidirectional screw (320), a screw block (330) and a second drive motor (340), wherein, The first fixed frame (310) is arranged on the operation platform (100) and located on the side of the support frame (101); The bidirectional screw (320) is rotatably arranged in the first fixed frame (310); The screw block (330) is arranged on the bidirectional screw (320); The second drive motor (340) is arranged on the first fixed frame (310), and the output end of the second drive motor (340) is connected with the rotating end of the bidirectional screw (320).

3. The dry-type transformer core inspection apparatus according to claim 2, wherein The lifting structure (300) further includes a second fixed frame (350), a stabilizing rod (360) and a sliding sleeve (370), wherein, The second fixed frame (350) and the first fixed frame (310) are oppositely arranged on the two sides of the support frame (101); The stabilizing rod (360) is arranged in the second fixed frame (350); The sliding sleeve (370) is slidably sleeved on the stabilizing rod (360); Wherein, the two sides of the mounting bracket (410) are connected with the screw block (330) and the sliding sleeve (370) respectively.

4. The dry-type transformer core inspection apparatus according to claim 1, wherein The flaw detection structure (200) comprises a third driving motor (210), a meshing gear set (220), a rotating shaft (230), a rotating arm (240) and a flaw detection probe (250), wherein, The third driving motor (210) is arranged on the operation table (100); The rotating shaft (230) is rotatably arranged on the operation table (100), and a rotating end of the rotating shaft (230) is connected with an output end of the third driving motor (210) through the meshing gear set (220); The rotating arm (240) is arranged at an end of the rotating shaft (230); The flaw detection probe (250) is arranged on the rotating arm (240) to perform a flaw detection operation on the iron core (600) on the support frame (101).

5. The dry-type transformer core inspection apparatus according to claim 4, wherein The flaw detection probe (250) is an ultrasonic probe or an eddy current probe or a magnetic powder probe.

6. The dry-type transformer core inspection apparatus according to claim 4, wherein The rotating arm (240) is a telescopic structure comprising a fixed segment and a movable segment, the fixed segment is connected with the rotating shaft (230), the movable segment is nested in the fixed segment and is limited by an elastic extrusion head, and the flaw detection probe (250) is arranged at an end of the movable segment.

7. The dry-type transformer core inspection apparatus as set forth in claim 1, characterized by The turnover and adsorption structure (400) further comprises a position sensor for detecting a relative position between the suction disc (440) and the iron core (600) and sending position information to the controller (500).

8. The dry-type transformer core inspection apparatus as set forth in claim 1, characterized by The suction disc (440) is connected with an external air pump through a connecting air pipe, and the controller (500) is connected with the air pump.

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